Comtech EF Data CDM-425, Installation And Operation Manual

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CDM-425 Advanced Satellite Modem
Revision 0
Serial Remote Control 8–24 MN-CDM-425
Parameter
Command
(Instruction
& Qualifier)
Length of
Argument
Description of Arguments
Response to
Command
Query
(Instruction
& Qualifier)
Response to Query
RX LO
Frequency
RLO= 6 bytes Command or Query.
Sets or returns LNB Rx LO frequency information in the form xxxxxs, where:
xxxxx=LO frequency: 03000 through 65000 MHz, or 00000=Off
s=sign for the MIX (+ or –)(See Note 1)
NOTES:
1) Negative mix induces a spectral inversion.
2) For additional information see Chapter 6 for LO, MIX, and Spectrum Settings.
3) Rx Terminal Frequency=RX LO
±
modem RFQ (see below)
RLO=
RLO?
RLO*
RLO#
RLO? RLO=xxxxxs
(see Description of
Arguments)
Rx Terminal
Frequency
N/A 10 bytes Query only.
Returns Rx Terminal Frequency (the frequency, in MHz, being received from the satellite) in the form
xxxxx.xxxx.
Resolution=100 Hz
NOTES:
1) For additional information see Chapter 6 for LO, MIX, and Spectrum Settings.
2) Returns 00000.0000 if LNB LO is zero
EXAMPLE: <0/RTF? >0/RTF=11650.2249 (MHz)
N/A RTF? RTF=xxxxx.xxxx
(see Description of
Arguments)
Rx Alpha REE= 1 byte Command or Query.
Sets or returns Rx Alpha in the form x, where:
0=Rx Alpha=0.35 (DEFAULT)
1=Reserved
2=Rx Alpha=0.12
3=Reserved
REE=
REE?
REE*
REE#
REE? REE=x
(see Description of
Arguments)
Rx Info Rate N/A 9 bytes,
numeric
Query only.
Allows remote access to the Aggregate Rx Information Rate in the form ddddd.ddd
RIR?
RIR=
RIR*
RIR#
RIR? RIR=ddddd.ddd
(see Description of
Arguments)
Rx Sub-Mux IP
Info Rate
N/A 9 bytes,
numeric
Query only.
Allows remote access to the IP portion of the Rx Information rate in the form ddddd.ddd
RMI?
RMI=
RMI*
RMI#
RMI? RMI=ddddd.ddd
(see Description of
Arguments)